2191240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 5103000

約数和(自身を除く): 2911760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1889, 3778, 7556, 9445, 15112, 18890, 37780, 54781, 75560, 109562, 219124, 273905, 438248, 547810, 1095620, 2191240]

約数ペア:

[(1, 2191240), (2, 1095620), (4, 547810), (5, 438248), (8, 273905), (10, 219124), (20, 109562), (29, 75560), (40, 54781), (58, 37780), (116, 18890), (145, 15112), (232, 9445), (290, 7556), (580, 3778), (1160, 1889)]